CN107554500A - Line control brake system for the vehicle with adjustable brake pedal simulator component - Google Patents
Line control brake system for the vehicle with adjustable brake pedal simulator component Download PDFInfo
- Publication number
- CN107554500A CN107554500A CN201710456718.5A CN201710456718A CN107554500A CN 107554500 A CN107554500 A CN 107554500A CN 201710456718 A CN201710456718 A CN 201710456718A CN 107554500 A CN107554500 A CN 107554500A
- Authority
- CN
- China
- Prior art keywords
- brake pedal
- component
- brake
- simulator
- pivot axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/18—Connection thereof to initiating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
- B60T8/3255—Systems in which the braking action is dependent on brake pedal data
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/82—Brake-by-Wire, EHB
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The brake pedal component of the line control brake system of vehicle includes supporting construction, is pivotably engaged at the first pivot axis to the brake pedal of supporting construction and brake pedal simulator component.The brake pedal simulator component extends between brake pedal and supporting construction, and is pivotably engaged respectively to brake pedal and supporting construction at pivot axis in second and the 3rd.Brake pedal simulator component include along with second and the 3rd intersecting center line of the pivot axis brake pedal simulator and governor motion that are aligned.Brake pedal simulator is constructed and arranged to carry out axial displacement when brake pedal is activated, and governor motion is constructed and arranged to adjust axial displacement.
Description
Technical field
The present invention relates to a kind of vehicle brake-by-wire (BBW) system, relate more specifically to a kind of adjustable restraining of BBW systems
Dynamic pedal simulator component.
Background technology
Traditional vehicle driving brakes is typically to step on the usual brake pedal for activating master cylinder by driver to activate
The system based on hydraulic fluid.In turn, master cylinder is to routing to the phase at the brake being located near each wheel of vehicle
The hydraulic fluid in a series of hydraulic fluid lines of actuator is answered to pressurize.Such hydraulic braking by contribute to ANTI LOCK,
Polling power controlling and intact stability strengthen the hydraulic analog device assembly supplement of feature.In anti-lock, polling power controlling and stably
During property enhanced mode of operation, by the supplement actuating pressure gradient supplied by hydraulic regulation device assembly, wheel drag can be with
Mainly operated by the master cylinder activated manually.
When the plunger of brake pedal depression master cylinder is so that during motor car wheel brake, driver can run into pedal resistance.The resistance
Actual braking force that power is attributable on wheel, hydraulic fluid pressure, the mechanical resistance in booster/master cylinder, act on braking
The combination of the power of back-moving spring on pedal and other power.Therefore, during the operation of vehicle, driver habit in and the phase
Prestige feels that this resistance is normal phenomenon.Regrettably, to this " sensation " and unadjustable of conventional brake pedal
To meet the expectation of driver.
The progress of brakes more recently is included via the electric signal actuated vehicle system generally as caused by on-board controller
The BBW systems of dynamic device.Brake force or moment of torsion can apply to the not wheel drag with the direct hydraulic connecting of brake pedal.BBW
System can be additional (that is, and/or substitute the part of more conventional brake fluid system), or can substitute hydraulic pressure completely
Brakes (that is, simple BBW systems).In any a type of BBW systems, driver be accustomed to brake pedal
" sensation " must be simulated.
Accordingly, it is desired to provide a kind of brake pedal " sensation " for simulating more conventional brakes, and can be further
The brake pedal simulator compatible with the mode that driver adjusts brake pedal " sensation ".
The content of the invention
In one exemplary embodiment of the present invention, the brake pedal components of the BBW systems of vehicle include supporting construction,
It is pivotably engaged at the first pivot axis to the brake pedal of supporting construction and brake pedal simulator component.Braking is stepped on
Template die is intended device assembly and extended between brake pedal and supporting construction, and second and the 3rd at pivot axis difference it is pivotable
Ground is bonded to brake pedal and supporting construction.Brake pedal simulator component include along with second and the 3rd pivot axis intersect
The brake pedal simulator and governor motion of center line alignment.Brake pedal simulator is constructed and arranged to when brake pedal is caused
Axial displacement is carried out when dynamic, and governor motion is constructed and arranged to adjust axial displacement.
In another exemplary embodiment of the present invention, the BBW systems for vehicle include brake assemblies, support knot
Structure, be pivotably engaged to the brake pedal of supporting construction at the first pivot axis and at the second pivot axis it is pivotable
Ground is bonded to the brake pedal simulator of brake pedal.The governor motion of BBW systems is operably coupled to brake pedal simulation
Device, and be pivotably engaged at the 3rd pivot axis to supporting construction.Governor motion is configured to adjust brake pedal simulation
The permission shift length of device, to adjust the solidness of brake pedal.
In another exemplary embodiment of the present invention, the operating method of BBW systems is including the use of computer based
Controller carries out situation detection.Once detecting situation, then it can start the governor motion of brake pedal simulator component to change
The solidness of brake pedal, so as to alert driver's situation.
From below in conjunction with accompanying drawing detailed description of the present invention, features described above of the invention and advantage and further feature
It will be apparent with advantage.
Brief description of the drawings
Further feature, advantage and details only appear in by way of example embodiment it is described in detail below in, in detail
Describe referring to the drawings, wherein：
Fig. 1 is the schematic plan of the vehicle with the BBW systems as a non-limiting example according to the present invention
Figure；
Fig. 2 is the schematic diagram of the brake pedal simulator component of BBW systems；
Fig. 3 is the schematic diagram of the brake pedal simulator of brake pedal simulator component；
Fig. 4 is the schematic diagram of BBW systems；
Fig. 5 is the curve map of the power distribution of the power induction installation of the BBW systems as brake-pedal travel；
Fig. 6 depicts the damped coefficient distribution of the damping unit of the BBW systems of the function as brake-pedal travel
Curve map；And
Fig. 7 is the flow chart of the operating method of BBW systems.
Embodiment
What detailed description below was merely exemplary in nature, it is not intended to limit the present invention and its application or makes
With.It should be appreciated that in whole accompanying drawings, corresponding reference represents identical or corresponding part or feature.As made herein
, term " module " and " controller " refer to may include application specific integrated circuit (ASIC), electronic circuit, perform one or more
The processor of software or firmware program (shared, special or group) and memory, the combinational logic circuit and/or offer work(
The process circuit of other appropriate parts of energy.
According to the exemplary embodiment of the present invention, Fig. 1 is to may include dynamical system 22 (that is, engine, speed changer and differential
Device), multiple runners 24 (that is, four shown in figure) and can be that the system of non-limiting example is used as example using BBW systems
The schematic diagram of the vehicle 20 of dynamic system 26.BBW systems 26 may include that the brake assemblies 28 for each corresponding wheel 24, braking are stepped on
Board component 30 and controller 32.Dynamical system 22 is at least one suitable for driving moment 24, so as at surface (for example, road)
Upper propulsion vehicle 20.BBW systems 26 are configured to substantially slow down the speed of vehicle 20 and/or vehicle 20 is stopped movement.Vehicle
20 can be automobile, truck, van, sport vehicle or any other automatic propulsion for being suitable for load transported
Or the vehicles towed.
Each brake assemblies 28 of BBW systems 26 may include brake 34 and be configured to the actuator 36 of operational brake.
Brake 34 may include clamp, and can be any kind of brake for including disk brake, drum brake etc..Make
For non-limiting example, actuator 36 can activate brake based on the electrical input signal that can be received from controller 32
34 electric hydaulic brake actuator (EHBA) or other actuators.More specifically, actuator 36 can be, or can include
Can be according to the electric signal received and so as to which energy to be converted into any types of the motion of the movement of control brake 34
Motor.Therefore, actuator 36 can be arranged to generation pass to (such as) the electric hydaulic pressures of the clamp of brake 34
The dc motor of power.
Controller 32 may include computer based processor (for example, microprocessor) and the computer-readable storage write
Medium.In operation, controller 32 can be by representing the path (see arrow 38) of operator brake purpose from brake pedal component
30 receive one or more electric signals.In turn, controller 32 can be handled such signal, and is based at least partially on this
A little signal passage paths (see arrow 40) export electric command signal to actuator 36.Based on various vehicle conditions, each car is pointed to
The command signal of wheel 24 can be identical, or can be different signals for each wheel 24.Path 38,40 can be
Wireline pathway, wireless path or combination.
The non-limiting example of controller 32 may include：Perform the ALU of arithmetic sum logical operation；Extraction, solution
Code simultaneously performs the electronic control unit of memory instructions；And the array element using multiple parallel computation elements.Controller 32
Other examples may include engine control module and application specific integrated circuit.It is also contemplated that and understand, controller 32 may include superfluous
Remaining controller, and/or the system may include other redundancies, to improve the reliability of BBW systems 26.
Reference picture 2, the brake pedal component 30 of brakes 26 may include to be configured to be made to operate by driver's actuating
The brake pedal 42 of dynamic component 28, and " sensation " suitable for adjusting and simulating more conventional brake pedal reach driver's
Desired brake pedal simulator component 41.Brake pedal 42 can be supported in a manner of mobile by fixed support structure 46.Such as
Shown in one non-limiting example, brake pedal 42 can be pivotably engaged to fixed structure around the first pivot axis 48
46.Brake pedal 42 He of the brake pedal simulator component 41 at the corresponding pivot axis 52 of second pivot axis 50 and the 3rd
Extend between supporting construction 46.Pivot axis 48,50,52 can be essentially parallel from one to another, and be spaced from.
Brake pedal simulator component 41 may include approximately along can be with the second pivot axis 50 and the phase of the 3rd pivot axis 52
The governor motion 43 and brake pedal simulator 44 of the center line C orientations of friendship.Governor motion 43 is applied to regulation brake pedal " sense
The solidness of feel ", and can extend between the fixed structure 46 and brake pedal simulator 44 at the 3rd pivot axis 52.
Brake pedal simulator 44 is configured to simulate behavior and/or " sensation " of more conventional brake fluid system, and can adjust
Extend between brake pedal 42 at section mechanism 43 and second pivot axis 50.
Reference picture 2 and Fig. 3, the brake pedal simulator 44 of brake pedal simulator component 41 are configured to simulate more conventional
The behavior of brake fluid system and/or " sensation ", and may include damping unit 54, power induction installation 56, the and of link component 58
Shell 60.Damping unit 54 is structured and arranged to substantially produce damping force, and the damping force is driver's brake pedal 42
The function of speed.Power induction installation 56 produces sensed power (for example, spring force), and the power sensed is brake pedal displacement
Function.In an end sections, link component 58 pivotly can be spliced directly to brake at the second pivot axis 50
Pedal 42.The opposite end portions 62 of link component 58 can amplify, and can be directly supported at damping unit 54 and power sensing dress
Put on 56.Power induction installation 56 can also activate and discharge the reset for contributing to brake pedal 42 after brake pedal in driver.
The shell 60 of brake pedal simulator 44 may include bottom plate 64, only plate or top plate 66 and be bonded to bottom plate 64 and stop
Plate 66 and axially extending wall 68 between bottom plate 64 and only plate 66.The bottom plate 62 of brake pedal simulator 44 can be with connecting rod structure
The enlarged end part 62 of part 58 is axially opposing.When brake pedal 42 is activated by driver, damping unit 54 and power sensing dress
56 are put to be axially disposed between bottom plate 62 and the enlarged end part 62 of link component 58 for being compressed axially.Enlarged end part
62 are axially disposed between the top plate 66 of shell 60 and device 54,56.When device 54,56 completely axial extension, (that is, braking is stepped on
Plate 42 is in non-actuating state), enlarged end part 62 can be biased (for example, by being sensed by power against the only plate 66 of shell 60
The axial force that device 56 applies).Wall 68 can be circumferentially continuous relative to center line C, so as to around simultaneously packaging system 54,56
In one or two.Alternatively, device 54,56 may include its respective shell, and wall 68 can substantially be played and all the time will
Bottom plate 64 and the relative only axially spaced effect of plate 66.One that only plate or top plate 66 can be substantially in cladding systems 54,56
Or two, and opening 70 (that is, with top plate 66 in mobile or sealable relation) can be extended through comprising link component 58.
It is contemplated that and understand, spring and damping unit can also be encapsulated in single shell in a manner of coaxial.
One example of power induction installation 56 can have to be supported on the relative bottom plate 64 of shell 60 and only on plate 66
The resiliency compressible helical spring (as shown in the figure) of opposite end.Other non-limiting examples of power induction installation 56 include elasticity and steeped
Foam, wavy spring and can produce function approximately as brake pedal displacement variable force any other device.Damping
One example of device 54 may include with the liquid for being used at least one endoporus that hydraulic fluid flows and exchanged between the chambers
Cylinder pressure.Such a damping unit (and other) may be designed as when applying constant speed to brake pedal during brake pedal
Apply constant force.One example of such a " constant force " damping unit 54 can be the hydraulic cylinder for having single endoporus.Damping unit 54
Another non-limiting example may include the increase being designed as with pedal displacement and work as the quilt under constant speed of brake pedal 42
Increase the device of power when stepping on.This " variable force " damping unit can be passive, and depend only on brake pedal
Position and/or displacement, or can be active, and can be controlled by controller 32.One of " passive variable force " damping unit
Example may include the hydraulic cylinder of the multiple endoporus exposed alone with the position dependent on brake pedal.Damping unit 54 its
Its non-limiting example may include to be filled by the active ball screw for being also capable of sense pedal position and speed of controller driving
- frcition damper (i.e. ball screw is used as damping unit) is put, and the function usually as pedal actuation speed can be produced
Variable force any other device.Although being shown with the relation of (i.e., side by side) parallel to each other, it is also contemplated that and understanding, dress
Any form can be taken by putting 54,56 orientation relative to each other.For example, device 54,56 can be mutual around common centreline C
Concentric.
The solidness that the governor motion 43 of brake pedal simulator component 41 is configured to adjust brake pedal " sensation " reaches
The expectation of driver.Solidness regulation is considered the direct mode of the effect of adjusting force induction installation 56.Governor motion
43 can be ball screw device, and may include base component 72, motor 74, threaded rod 76 and may include internal thread
Bracket 78.Base component 72 can be directly pivotably engaged at the 3rd pivot axis 52 to supporting construction 46.Motor 74 can
To be supported by base component 72, and base component 72 can be bonded to.Threaded rod 76 is operably coupled to motor 74, with
It is easy to around the rotary shaft (not shown) rotation that can extend together with center line C.Bracket 78 is screwed on threaded rod 76, so that proper
When motor 74 makes the rotation of threaded rod 76, bracket 78 can move axially relative to rotary shaft (that is, center line C).The machine of bracket 78
Brake pedal simulator 44 is attached to tool, is rotated with preventing or limiting bracket 78 when threaded rod 76 rotates around rotary shaft.
More specifically, the side that bracket 78 can be rigidly connected to the bottom plate 64 of shell 60 (is device 54 on bottom plate 64,56 installation positions
The opposite side put) on.
Reference picture 4, the brake pedal simulator component 41 of brake pedal component 30 may also include to be configured to measure and for example make
At least one displacement transducer of the displacement (for example, displacement of the lines, angular displacement etc.) of dynamic pedal 42 (that is, close to pivot axis 48)
80.Brake pedal simulator component 41 may also include at least one pressure (that is, power) sensor 82, and pressure sensor 82 can be
The one or both sides orientation of the close pivot axis 50,52 of simulator 44, to measure pressure applied.It is stable for optimization system
Property, brake pedal simulator component 41 may include the more than one displacement sensing of the diverse location positioned at brake pedal component 30
Device.Similarly, brake pedal simulator component 41 may include to be configured to for example to more than one controller export redundant signals with
Optimize more than one pressure (that is, power) sensor of the robustness of sensor.
In operation, controller 32 is configured to when driver activates brake pedal 42, and passage path 38 passes from corresponding
Sensor 80,82 receives displacement signal (see arrow 84) and pressure signal (see arrow 86).Controller 32 is to displacement signal 84 and pressure
Force signal 86 is handled, and then passage path 40 sends appropriate command signal to the brake actuator 36 of brake assemblies 28
88。
Reference picture 2, governor motion 43 can be started by driver using man-machine interface (HMI) 90.HMI 90 is configurable
To provide the selection of more soft or firmer brake pedal feel to driver, and can include switch and interactive mode to touch
Touch the various interfaces of screen.In operation, if driver it is expected firmer brake pedal feel, driver can be with HMI 90
Interaction, and HMI 90 can be to correspondingly the output instruction signal of controller 32 (see arrow 92).As response, controller 32 can be to
Motor 74 exports enabling signal (see arrow 94), so that motor is along make that bracket 78 moves away from pivot axis 52 the
One direction rotates, so as to reduce device 54,56 can by way of permission shift length.By reduce allow shift length (and increase
Add spring preload and change the related damping characteristic in position), the robustness increase of brake pedal feel, and brake-pedal travel
It can reduce or generally remain and be constant.Similarly, if driver it is expected more soft brake pedal feel, driver can be with
HMI 90 is interactive, and HMI 90 can be to correspondingly the output instruction signal of controller 32 (see arrow 96).As response, controller
32 can export enabling signal (see arrow 98) to motor 74, so that motor edge makes bracket 78 be moved towards pivot axis 52
It is dynamic to be rotated relative to second direction, (and reduce spring preload so as to increase the permission shift length of device 54,56 and change position
Put the damping characteristic of correlation).Allow shift length by increasing, the robustness of brake pedal feel reduces, and brake pedal
Stroke can increase or generally remain constant.
Reference picture 5, an example of the power distribution of power induction installation 56 are shown approximately as brake-pedal travel T function
Go out, as illustrated, showing brake pedal force F and brake-pedal travel T that driver applies in figure.Arch or curved continuous lines 71
Target distribution is represented, and dotted line 73 represents the outer limit (that is, tolerance) of target distribution.Power induction installation 56 may be designed as according with
Close target distribution 71.
Reference picture 6, an example of damped coefficient distribution is shown approximately as brake-pedal travel T function, as schemed institute
Show, brake-pedal travel T and damped coefficient D are shown in figure.Curved continuous lines 75 represent target distribution, and dotted line 77 represents mesh
Mark the outer limit (that is, tolerance) of distribution.Similar with power induction installation 56, damping unit 54 may be designed as meeting this target point
Cloth.It is also contemplated that it can be compiled with understanding, target force and the data of damping force distribution and the target tolerances (that is, boundary) pre-established
Journey enters controller 32, to realize various processing functions.Although being not specifically illustrated, it is also contemplated that and understands, different degrees of
On, one or two in device 54,56 can be adjustable, and this controllability is controlled by controller 32, so as to for example
Meet the pre-programmed distribution shown in Fig. 5 and Fig. 6.It shall yet further be noted that damped coefficient D is the function of pedal position, and damping force
It is the function of pedal relevance factor and pedal position.
Except providing adjustable desired braking pedal sense, the regulation machine of brake pedal simulator component 41 for driver
Structure 43, which is applicable to provide, is designed as alerting the usual of the various vehicle conditions of driver and/or the braking system faults situation of simulation
The Braking mode pedal sense felt can it is expected in more conventional brake fluid system.Reference picture 7, Fig. 7 shows one
The operating method of kind BBW systems 26.Such as it can be directed to failure (for example, degradation brake actuator) according to frame 100, system 26 and carry out
Monitoring.According to frame 102, if detecting failure, controller 32 can start governor motion 43, by preloading for simulator 44
Reduce to minimum value, so as to produce the pedal sense of softness.
According to frame 104, if not detecting failure, system 26 can be directed to rotor thickness change and be monitored.According to
Frame 106, if detecting rotor thickness change, controller 32 can start governor motion 43 so as to be shaken can be based on deceleration
Swing the frequency regulation motor position of frequency.
According to frame 108, if not detecting that rotor thickness changes, system 26 can be directed to boiling brake fluid (that is, high temperature
Degraded pressure-volume (PV) curve) it is monitored.According to frame 110, if detecting boiling brake fluid, controller 32 can
Start governor motion 43, by the preloading reduction of simulator 44 to minimum value, so as to produce the pedal sense of softness.
According to frame 112, if not detecting boiling brake fluid, system 26 can be monitored for active ABS.According to
Frame 114, if detecting active ABS, controller 32 can start governor motion to adjust motor position (namely based on ABS
The frequency of cycle frequency), so as to adjust brake pedal feel.The other examples of adjustable motor position may include based on instantaneous
The power of system volume (that is, pressure) estimation, or the calibration frequency for tactile pedal feedback.
According to frame 116, if not detecting active ABS, system 26 can be directed to driver's pattern change (for example,
The pre-programmed brake feel of specific driver) it is monitored.According to frame 118, if detecting the change of driver's pattern, control
Device 32 processed can start governor motion with by the preload adjustment of simulator 44 to such as pre-programmed values (for example, motion/it is firm, travelling/
Softness etc.).
It is also contemplated that with understand, these situations can be pre-programmed into controller 32, and system 26 as one man and/or can press
According to the sequential monitoring above-mentioned all pre-programmed situations different from what is provided.It is also understood that system 26 can monitor and braking system
The situation that system is not directly relevant to, and the solidness of brake pedal 42 is still can adjust, to reach detected by warning driver
Situation purpose.
Advantages and benefits of the present invention include the solidness and enthusiasm that driver can select brake pedal.Further advantage
Including can be interrelated by the brake pedal simulator of such a selected brake pedal solidness and BBW systems, including with
More conventional brakes is similar, can simulate the power such as pedal damping.Further advantage may include that brake pedal feel can be passed through
Automatic change alert driver vehicle's situation.Further, the present invention can produce the design and physics for simplifying pedal module
The compact physical part big envelope of integrated diagnosis and the maintenance for simplifying module simultaneously.
Although by reference to exemplary embodiment, invention has been described, it is to be understood by those skilled in the art that
In the case of without departing from the scope of the present invention, various changes can be made, and available equivalents substitute element therein.This
Outside, in the case where not departing from the base region of the present invention, many change so that particular case or material adapt to this can be carried out
The teaching of invention.It is, therefore, intended that the invention is not limited in disclosed specific embodiment, but mean that the present invention will bag
Include all embodiments in the range of this application.
Claims (10)
1. a kind of brake pedal component, the brake pedal component includes：
Supporting construction；
Brake pedal, the brake pedal are pivotably engaged at the first pivot axis to the supporting construction；And
Brake pedal simulator component, the brake pedal simulator component is between the brake pedal and the supporting construction
Extension, and the brake pedal and the supporting construction are respectively engaged at pivot axis in second and the 3rd, the braking is stepped on
Template die intend device assembly include along with described second and the 3rd brake pedal simulator for being aligned of the intersecting center line of pivot axis
And governor motion, and wherein, the brake pedal simulator is constructed and arranged to carry out when the brake pedal is activated
Axial movement, and the governor motion is constructed and arranged to adjust axial displacement.
2. brake pedal component as claimed in claim 1, wherein, the governor motion is included being constructed and arranged in described
The threaded rod of heart line rotation, and the threaded rod is threadedly coupled to be moved axially along the center line and be bonded to the system
The bracket of dynamic pedal simulator.
3. brake pedal component as claimed in claim 2, wherein, the governor motion is included at the 3rd pivot axis
It is pivotably engaged to the base component of the supporting construction, and is bonded to the base component and is configured to make the spiral shell
The motor of rasp bar rotation.
4. brake pedal component as claimed in claim 3, wherein, the brake pedal simulator include being constructed and arranged to
Apply the power induction installation of the first power changed as the function of brake-pedal travel on the brake pedal.
5. brake pedal component as claimed in claim 4, wherein, the power induction installation is elastically compressed described second
It is bonded at pivot axis between link component and the bracket of the brake pedal simulator component of the brake pedal.
6. brake pedal component as claimed in claim 5, wherein, the power induction installation is compressible helical spring.
7. brake pedal component as claimed in claim 5, wherein, the brake pedal simulator include being constructed and arranged to
The link component applies the damping unit of the second power changed as at least function of brake pedal speed.
8. brake pedal component as claimed in claim 7, wherein, second power is applied in the link component and described
Between bracket.
9. brake pedal component as claimed in claim 8, wherein, the damping unit is hydraulic cylinder.
10. brake pedal component as claimed in claim 1, wherein, the governor motion is ball screw device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/198517 | 2016-06-30 | ||
| US15/198,517 US10166954B2 (en) | 2016-06-30 | 2016-06-30 | Brake-by-wire system for a vehicle with an adjustable brake pedal emulator assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107554500A true CN107554500A (en) | 2018-01-09 |
Family
ID=60662286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456718.5A Pending CN107554500A (en) | 2016-06-30 | 2017-06-16 | Line control brake system for the vehicle with adjustable brake pedal simulator component |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10166954B2 (en) |
| CN (1) | CN107554500A (en) |
| DE (1) | DE102017114048A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758363A (en) * | 2019-11-19 | 2020-02-07 | 上汽通用汽车有限公司 | Brake pedal feel adjustment system, method and device and automobile |
| CN111791848A (en) * | 2019-04-03 | 2020-10-20 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for vehicle |
| CN111791849A (en) * | 2019-04-03 | 2020-10-20 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for vehicle |
| CN111791700A (en) * | 2019-04-03 | 2020-10-20 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for vehicle |
| CN113232634A (en) * | 2021-06-03 | 2021-08-10 | 重庆三峡学院 | Electric vehicle brake pedal simulator and brake pedal feedback control method |
| CN113815581A (en) * | 2021-08-31 | 2021-12-21 | 深圳博用科技有限公司 | Actuating mechanism of initiative brake |
| CN116691611A (en) * | 2023-07-10 | 2023-09-05 | 上海同驭汽车科技有限公司 | Control method and system for brake pedal |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2547235B (en) * | 2016-02-11 | 2020-02-05 | Jaguar Land Rover Ltd | Haptic pedal |
| US20180043865A1 (en) * | 2016-08-11 | 2018-02-15 | GM Global Technology Operations LLC | Braking system for a vehicle with an adjustable brake pedal assembly |
| DE102016218209A1 (en) * | 2016-09-22 | 2018-03-22 | Robert Bosch Gmbh | Brake system control unit for a vehicle |
| DE102016218229A1 (en) * | 2016-09-22 | 2018-03-22 | Robert Bosch Gmbh | Brake system control unit for a vehicle |
| DE102016224836A1 (en) * | 2016-12-13 | 2018-06-14 | Robert Bosch Gmbh | Method for monitoring a brake system with an electromechanical brake device |
| TWI663086B (en) * | 2018-06-20 | 2019-06-21 | 宏碁股份有限公司 | Braking system for autonomous car and setting method thereof |
| JP2020134891A (en) * | 2019-02-26 | 2020-08-31 | 株式会社アクセス | Pedal simulator and drive simulator |
| WO2020227380A1 (en) | 2019-05-09 | 2020-11-12 | Cts Corporation | Brake pedal assembly and pedal resistance force member with force and position sensors |
| US11090559B2 (en) * | 2019-12-31 | 2021-08-17 | Logitech Europe S.A. | Gaming pedal assembly |
| KR102352754B1 (en) * | 2020-10-27 | 2022-01-17 | 현대모비스 주식회사 | Pedal Simulator |
| DE102021106461A1 (en) * | 2021-03-17 | 2022-09-22 | Audi Aktiengesellschaft | Braking system in a vehicle |
| CN113183931B (en) * | 2021-06-10 | 2022-08-09 | 矿冶科技集团有限公司 | Auxiliary braking device of underground mining automobile |
| GB202210467D0 (en) * | 2022-07-15 | 2022-08-31 | Ns85 Ltd | Simulator petal |
| WO2024018332A1 (en) * | 2022-07-22 | 2024-01-25 | Brembo S.P.A. | Brake-feel simulation device and actuation method of a braking system |
| WO2024018333A1 (en) * | 2022-07-22 | 2024-01-25 | Brembo S.P.A. | Brake-feel simulation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020108463A1 (en) * | 2001-02-09 | 2002-08-15 | Delphi Technologies, Inc. | Magneto-rheological brake pedal feel emulator |
| CN103171531A (en) * | 2013-03-19 | 2013-06-26 | 吉林大学 | Active brake pedal travel simulator and control method thereof |
| CN105517859A (en) * | 2013-09-06 | 2016-04-20 | 福乐尼·乐姆宝公开有限公司 | Simulation device for an electronically controlled braking apparatus (BBW), and method of applying contrast action |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6289763B1 (en) * | 1995-08-09 | 2001-09-18 | Teleflex Incorporated | Electronic adjustable pedal assembly |
| US6360629B2 (en) * | 1999-04-01 | 2002-03-26 | Daimlerchrysler Corporation | Adjustable pedal apparatus |
| US6367886B1 (en) * | 2000-07-27 | 2002-04-09 | Delphi Technologies, Inc. | Brake pedal emulator system and method |
| EP1444108B1 (en) * | 2001-11-05 | 2010-12-29 | Continental Teves AG & Co. oHG | Device with additional restoring force on the gas pedal based on the deviation of a vehicle parameter from the set value |
| US7890240B2 (en) * | 2007-04-26 | 2011-02-15 | GM Global Technology Operations LLC | Brake system fault pedal gain change method and system |
| KR101024743B1 (en) * | 2008-12-11 | 2011-03-24 | 현대모비스 주식회사 | Safety braking device for emergency safety braking vehicle and vehicle brake system thereof |
| US20110297493A1 (en) * | 2008-12-18 | 2011-12-08 | Herbert Vollert | Brake booster |
| DE102009026966A1 (en) * | 2008-12-18 | 2010-07-01 | Robert Bosch Gmbh | Operation of a brake booster as a pedal simulator |
| EP2387521B1 (en) * | 2009-01-15 | 2019-07-17 | Continental Teves AG & Co. OHG | "brake-by-wire" type braking system |
| DE102010001939B4 (en) * | 2010-02-15 | 2012-05-16 | Robert Bosch Gmbh | Brake booster and method and apparatus for its operation |
| JP5721068B2 (en) * | 2010-12-09 | 2015-05-20 | 日立オートモティブシステムズ株式会社 | Electric booster |
| US8777331B2 (en) * | 2011-09-23 | 2014-07-15 | Robert Bosch Gmbh | Brake booster |
| KR101417404B1 (en) * | 2012-11-13 | 2014-07-08 | 현대자동차주식회사 | Brake control system and method having variable braking mode |
| KR101853771B1 (en) * | 2013-06-10 | 2018-05-02 | 주식회사 만도 | Device for regulate of flex brake pedal feeling |
| JP2015047949A (en) * | 2013-08-30 | 2015-03-16 | 日立オートモティブシステムズ株式会社 | Brake control device |
| KR102255792B1 (en) * | 2014-06-26 | 2021-05-27 | 주식회사 만도 | Pedal simulator |
| US9592811B2 (en) * | 2015-03-14 | 2017-03-14 | Yangzhou Taibo Automotive Electronics Intelligent Technology Company, Ltd | Electro-hydraulic brake system with electric power assist and by-wire braking |
| DE102016210369A1 (en) * | 2015-07-21 | 2017-01-26 | Volkswagen Aktiengesellschaft | Electromechanical brake booster |
| JP6226150B2 (en) * | 2015-08-20 | 2017-11-08 | トヨタ自動車株式会社 | Pedal device for vehicle |
| US10112587B2 (en) * | 2015-12-18 | 2018-10-30 | Hyster-Yale Group, Inc. | Electronic braking system |
| US20180043865A1 (en) * | 2016-08-11 | 2018-02-15 | GM Global Technology Operations LLC | Braking system for a vehicle with an adjustable brake pedal assembly |
-
2016
- 2016-06-30 US US15/198,517 patent/US10166954B2/en active Active
-
2017
- 2017-06-16 CN CN201710456718.5A patent/CN107554500A/en active Pending
- 2017-06-23 DE DE102017114048.4A patent/DE102017114048A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020108463A1 (en) * | 2001-02-09 | 2002-08-15 | Delphi Technologies, Inc. | Magneto-rheological brake pedal feel emulator |
| CN103171531A (en) * | 2013-03-19 | 2013-06-26 | 吉林大学 | Active brake pedal travel simulator and control method thereof |
| CN105517859A (en) * | 2013-09-06 | 2016-04-20 | 福乐尼·乐姆宝公开有限公司 | Simulation device for an electronically controlled braking apparatus (BBW), and method of applying contrast action |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791848A (en) * | 2019-04-03 | 2020-10-20 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for vehicle |
| CN111791849A (en) * | 2019-04-03 | 2020-10-20 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for vehicle |
| CN111791700A (en) * | 2019-04-03 | 2020-10-20 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for vehicle |
| CN111791700B (en) * | 2019-04-03 | 2023-09-26 | 通用汽车环球科技运作有限责任公司 | Retractable pedal assembly for a vehicle |
| CN110758363A (en) * | 2019-11-19 | 2020-02-07 | 上汽通用汽车有限公司 | Brake pedal feel adjustment system, method and device and automobile |
| CN113232634A (en) * | 2021-06-03 | 2021-08-10 | 重庆三峡学院 | Electric vehicle brake pedal simulator and brake pedal feedback control method |
| CN113232634B (en) * | 2021-06-03 | 2022-05-27 | 重庆三峡学院 | Electric vehicle brake pedal simulator and brake pedal feedback control method |
| CN113815581A (en) * | 2021-08-31 | 2021-12-21 | 深圳博用科技有限公司 | Actuating mechanism of initiative brake |
| CN113815581B (en) * | 2021-08-31 | 2024-02-13 | 深圳博用科技有限公司 | Actuating mechanism of initiative brake |
| CN116691611A (en) * | 2023-07-10 | 2023-09-05 | 上海同驭汽车科技有限公司 | Control method and system for brake pedal |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017114048A1 (en) | 2018-01-04 |
| US20180001875A1 (en) | 2018-01-04 |
| US10166954B2 (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107554500A (en) | Line control brake system for the vehicle with adjustable brake pedal simulator component | |
| US6105737A (en) | Programmable electronic pedal simulator | |
| JP6584647B2 (en) | Brake system and method for operating the brake system | |
| US10137874B2 (en) | Brake pedal emulator of a brake-by-wire system and method of operation | |
| CN107719340A (en) | Brakes for the vehicle with adjustable brake pedal component | |
| US20180093648A1 (en) | Brake pedal emulator of a brake-by-wire system | |
| CN103079914B (en) | Brake system for motor vehicles | |
| US9896070B2 (en) | Steering wheel squeeze-activated vehicle braking system | |
| CN107697041A (en) | Vehicle line control brake system with brake pedal emulator override device | |
| JP3008090B2 (en) | Vehicle steering system | |
| JP4525422B2 (en) | Brake device for vehicle | |
| CN107074216B (en) | Vehicle brake system and vehicle brake control method | |
| EP2279920B1 (en) | Braking device for motorcycle | |
| KR102655172B1 (en) | Automotive brake-by-wire braking system provided with hydraulic feedback replica and method of operation of the vehicle braking system | |
| EP3178712B1 (en) | Brake-by-wire braking system for vehicles provided with hydraulic simulator and actuating method thereof | |
| JP4464856B2 (en) | Brake device for vehicle | |
| DE102017118177A1 (en) | A brake emulator of a brake-by-wire system | |
| JP2020183221A (en) | Braking force producer and operation method | |
| US10053061B2 (en) | Brake pedal emulator of a brake-by-wire system for a vehicle | |
| JP6747282B2 (en) | Brake device | |
| JPH04232154A (en) | Failure detection method for brake operation sensor | |
| JP2023083137A (en) | brake device | |
| KR20200014340A (en) | Brake-by-wire vehicle braking system with hydraulic feedback simulator, and how the vehicle braking system works | |
| JP2006281810A (en) | Pedal device and automobile having the same | |
| JP5389509B2 (en) | Brake device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
|
| RJ01 | Rejection of invention patent application after publication |